Volume expansion by zipper from 11 to 14 liters2 outer pocketsFor the mounting of the PRO tank bag you need the bike specific PRO tank ringMagnetic guide aid in the PRO tank ring for easy attachmentPre-assembled top ring guide rail for ergonomic adjustment of the tank bagTop and bottom of the tank bag made of laminated and dimensionally stable EVA materialMade from durable, highly UV-resistant 1680D ballistic nylon with water resistant interior coatingMOLLE attachment made of stable hypalon material on the top for smartphone and tablet holdersReflective details for better visibilityMesh compartments in the interiorWeather protection with the supplied rain coverRobust carrying handleCable feed-through on the front and rearCan be used with a cable lock or anti-theft protectionIncludes PRO City Tank Bag, PRO top ring, PRO city rain cover, mounting instructions, and mounting materialTotal approximate weight 2.8 lb (1.3 kg)Ensure that there is sufficient space between the tank bag and the surface of the tank (also when fully loaded) to avoid damage to the paintwork. If there isn't enough room between the two, the surface of the tank can also be protected by a protective film or a tank pad.The matching PRO tank ring is required for mounting on the tank.Tank bags from the PRO series cannot be combined with EVO tank rings.Material Composition1680D Ballistic Nylon